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Date:      Thu, 28 Jun 2007 11:43:04 -0500
From:      eculp@unixmania.com
To:        freebsd-questions@freebsd.org
Subject:   Re: Upgrading from an old athlon to a new 64 bit one.
Message-ID:  <20070628114304.512m6zqigwkg088c@intranet.unixmania.com>
In-Reply-To: <20070628170202.43e64182@gumby.homeunix.com.>
References:  <20070627145452.ytifppt70oc480s8@intranet.unixmania.com> <20070628011057.5a0d90b5@gumby.homeunix.com.> <20070628101239.6fs4qrpz8k8kkosw@intranet.unixmania.com> <20070628170202.43e64182@gumby.homeunix.com.>

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Quoting RW <fbsd06@mlists.homeunix.com>:

> On Thu, 28 Jun 2007 10:12:39 -0500
> eculp@unixmania.com wrote:
>
>
>> What I am trying to do is compile an amd64 kernel, install it and
>> see what happens ;) I can always go back to the generic kernel
>> compiled in sys/i386.
>
> amd64 and i386 are different platforms in the same sense that sparc64
> and ppc are different platforms. An AMD 64 is not back-compatible to
> pentium pro code  when it's in 64-bit mode. Whilst 32-bit binaries can
> be run on the amd64 platform, they need special handling, you can't
> just mix-and-match world and kernel platforms.

Thanks, RW.  I had assumed that and had hoped to run my make  
buildworld, make buildkernel, mergemaster, make installkernel and make  
installworld then upgrade all ports.

The problem is that I haven't been able to figure out, how to build  
using all amd64.

Again very dumb on my part, I'm sure.

ed



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